Isuzu L Series Manual page 31

IV. Engine Repair Specifications – 3L
Torque Specifications
Cylinder Head/ Valve Train
Cylinder Head Torque¬-
M12 x 1.5
M8 x 1.25
Valve lash adjusting jamb nut
Valve cover bolts
Exhaust Manifold
Rocker Arm Bracket Assembly
Exhaust Manifold
Nozzle Holder Assembly
Glow Plug
¬ Torque using the specified sequence
- Bolts must not be reused. New bolts only.
® Clarification: On the second step, turn 60° (and no less, but up to an additional 30°)
Short Block Specifications
Crankshaft Bearing Cap
Rod Bearing Cap
3LA/LB1
3LD1
Camshaft Gear Nut
Idler Gear
Oil Pump w/o PTO
w/PTO
Front Plate
Timing Gear Case
Starter
Flywheel Housing
Flywheel Bolts-
Crank Pulley
Oil Strainer Bolt
¬ When PTO is provided, install the oil pump to the front plate.
- Bolts must not be reused. New bolts only.
U
Kg m
8.5-9.5 + 60°
2.5-3.5
0.8-1.2
0.2-0.5
1.9-2.9
0.8-1.2
1.9-2.9
4.0-5.0
1.5-2.0
Kg m
8.5-9.5
3.8-4.2
7.5-8.5
7.0-9.0
2.7-3.5
1.9-2.9
0.8-1.2¬
1.9-2.9
1.9-2.9
8.7-10.5
4.2-5.6
9.0-11.0
17.0-19.0
1.9-2.9
L-Series Diesel
+ 30°
/ 61-69 + 60°
-0°
123.0-137.4
lb/ft
+ 30°
®
/
-0°
18-25
5.8-8.7
1.4-3.6
13.7-21.0
5.8-8.7
13.7-21.0
29.0-36.2
10.8-14.5
lb/ ft
61.5-68.7
27-30
54-61
50.6-65.0
19.5-25.3
13.7-21.0
5.8-8.7¬
13.7-21.0
13.7-21.0
63.0-76.0
30.4-40.5
65.0-79.5
13.7-21.0
30